high
7.5
Advisory Published
Updated

CVE-2020-5852

First published: Tue Jan 14 2020(Updated: )

Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. This issue only impacts specific engineering hotfixes. NOTE: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.2.1.0.83.4-ENG Hotfix-BIGIP-12.1.4.1.0.97.6-ENG Hotfix-BIGIP-11.5.4.2.74.291-HF2

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Local Traffic Manager=11.5.4.2.74.291
F5 BIG-IP Local Traffic Manager=12.1.4.1.0.97.6
F5 BIG-IP Local Traffic Manager=14.1.2.1.0.83.4
F5 BIG-IP Advanced Firewall Manager=11.5.4.2.74.291
F5 BIG-IP Advanced Firewall Manager=12.1.4.1.0.97.6
F5 BIG-IP Advanced Firewall Manager=14.1.2.1.0.83.4
f5 big-ip application acceleration manager=11.5.4.2.74.291
f5 big-ip application acceleration manager=12.1.4.1.0.97.6
f5 big-ip application acceleration manager=14.1.2.1.0.83.4
F5 BIG-IP Analytics=11.5.4.2.74.291
F5 BIG-IP Analytics=12.1.4.1.0.97.6
F5 BIG-IP Analytics=14.1.2.1.0.83.4
F5 BIG-IP Access Policy Manager=11.5.4.2.74.291
F5 BIG-IP Access Policy Manager=12.1.4.1.0.97.6
F5 BIG-IP Access Policy Manager=14.1.2.1.0.83.4
F5 BIG-IP Application Security Manager=11.5.4.2.74.291
F5 BIG-IP Application Security Manager=12.1.4.1.0.97.6
F5 BIG-IP Application Security Manager=14.1.2.1.0.83.4
f5 big-ip edge gateway=11.5.4.2.74.291
f5 big-ip edge gateway=12.1.4.1.0.97.6
f5 big-ip edge gateway=14.1.2.1.0.83.4
f5 big-ip fraud protection service=11.5.4.2.74.291
f5 big-ip fraud protection service=12.1.4.1.0.97.6
f5 big-ip fraud protection service=14.1.2.1.0.83.4
F5 BIG-IP Global Traffic Manager=11.5.4.2.74.291
F5 BIG-IP Global Traffic Manager=12.1.4.1.0.97.6
F5 BIG-IP Global Traffic Manager=14.1.2.1.0.83.4
f5 big-ip link controller=11.5.4.2.74.291
f5 big-ip link controller=12.1.4.1.0.97.6
f5 big-ip link controller=14.1.2.1.0.83.4
F5 BIG-IP Policy Enforcement Manager=11.5.4.2.74.291
F5 BIG-IP Policy Enforcement Manager=12.1.4.1.0.97.6
F5 BIG-IP Policy Enforcement Manager=14.1.2.1.0.83.4
F5 BIG-IP WebAccelerator=11.5.4.2.74.291
F5 BIG-IP WebAccelerator=12.1.4.1.0.97.6
F5 BIG-IP WebAccelerator=14.1.2.1.0.83.4
f5 big-ip domain name system=11.5.4.2.74.291
f5 big-ip domain name system=12.1.4.1.0.97.6
f5 big-ip domain name system=14.1.2.1.0.83.4

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2020-5852.

  • What is the severity of CVE-2020-5852?

    The severity of CVE-2020-5852 is high with a severity value of 7.5.

  • Which software versions are affected by CVE-2020-5852?

    CVE-2020-5852 affects F5 Big-IP Local Traffic Manager versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, and 14.1.2.1.0.83.4, as well as other F5 products.

  • How does CVE-2020-5852 impact the system?

    CVE-2020-5852 can cause a disruption of service to the Traffic Management Microkernel (TMM) due to undisclosed traffic patterns received.

  • Is there a fix available for CVE-2020-5852?

    Yes, F5 has released a security advisory with instructions on how to mitigate the vulnerability. Please refer to the official F5 support article for more information.

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